- Educational Technology Research and Development 54(4):387-416 (2006)
- Web 2.0-Based-E-Learning: Applying Social Informatics for Tertiary Teaching, IGI Global, (2010)
- Narration, identity, and historical consciousness, Berghahn Books, Frankfurt, (1998)
- The Emergence of Mathermatical Meaning: Interactions in Classroom Cultures, Lawrence Erlbaum Associates, Hillside, NJ, (1995)
- Fifth IEEE International Conference on Wireless, Mobile, and Ubiquitous Technology in Education, page 31-38. IEEE, (2008)
- Educational Psychologist (2009)
- Journal of the Learning Sciences 3(2):115-163 (1993-1994)
- (2004)
- Nineteenth International Conference for the Psychology of Mathematics Education, page 264-271. Recife, Brazil, Program Committee of the 19th PME Conference, (1995)
- Proceedings of the IFIP TC3/WG3.1 Working Conference on Secondary School Mathematics in the World of Communication Technology: Learning, Teching, and the Curriculum: Information and Communications Technologies in School Mathematics, page 195-204. London, UK, Chapman & Hall, Ltd., (1997)
- Harvard University Press, Cambridge, MA, (July 1990)
- Harvard University Press, Cambridge, MA, (October 1986)
- Educational Researcher 27(2):4-13 (1998)
- Piaget’s theory: Prospects and possibilities, Lawrence Erlbaum Associates, Hillside, NJ, (1992)
- Proceedings of the 17 th International World Wide Web Conference, (2008)
- Culture of Education, (1996)
- (2006)
- (2006)
- Actual minds, possible worlds, Harvard University Press, Cambidge, (1986)


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